Answer:
Maybe the answer must be 90°
Answer: this is hard I hate math sorry
Step-by-step explanation:
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Answer:

Step-by-step explanation:
From the Venn diagram, n(AUB)=31
The given probabilities in the option are calculated below:

The only correct option is the probability of B which is 
Well if you pick D and H then you have a 15% chance of winning out of 20 times which is 3 times